From d04afa8ea7d942b01a7e8ec84cad98459a4a8287 Mon Sep 17 00:00:00 2001
From: Stefan Koch <uplink.coder@googlemail.com>
Date: Mon, 26 Feb 2018 11:18:02 +0100
Subject: [PATCH] Ignore empty files while formatting

---
 src/dfmt/main.d | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/dfmt/main.d b/src/dfmt/main.d
index c59e3d8..cde0956 100644
--- a/src/dfmt/main.d
+++ b/src/dfmt/main.d
@@ -265,11 +265,15 @@ else
                 if (!config.isValid())
                     return 1;
                 File f = File(path);
-                buffer = new ubyte[](cast(size_t) f.size);
-                f.rawRead(buffer);
-                if (inplace)
-                    output = File(path, "wb");
-                format(path, buffer, output.lockingTextWriter(), &config);
+                // ignore empty files
+                if (f.size)
+                {
+                    buffer = new ubyte[](cast(size_t) f.size);
+                    f.rawRead(buffer);
+                    if (inplace)
+                        output = File(path, "wb");
+                    format(path, buffer, output.lockingTextWriter(), &config);
+                }
             }
         }
         return 0;